Project Number Date
test_Tails_ISO_5501-plaintext-locale-greeter 56 09 Jul 2025, 06:29

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 15:46.610 Passed
Tags: @product @slow @not_release_blocker
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
Tags: @product @slow @not_release_blocker
35.265
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 13.497
And I prepare Tails for memory erasure tests 0.680
When I start a process allocating 128 MiB of memory with a known pattern 1.400
Then patterns cover at least 128 MiB in the guest's memory 3.492 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.765
Then I find very few patterns in the guest's memory after 5 seconds 14.430 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 1.339
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
39.695
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 9.557
And I prepare Tails for memory erasure tests 3.177
And I find very few patterns in the guest's memory 6.487 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.495
Then patterns cover at least 99% of the test FS size in the guest's memory 3.257 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.712
Then I find very few patterns in the guest's memory after 3 seconds 15.008 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 0.992
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:7.087
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 9.114
And I prepare Tails for memory erasure tests 2.943
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.887
Then I find very few patterns in the guest's memory 10.315 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.728
Then patterns cover at least 75% of the test FS size in the guest's memory 3.014 
Pattern coverage: 85.440% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.937
Then I find very few patterns in the guest's memory after 3 seconds 10.698 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 1.124
And I read the content of the test FS 1.794
Then patterns cover at least 99% of the test FS size in the guest's memory 4.885 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.452
Then I find very few patterns in the guest's memory after 3 seconds 6.189 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 6.330
After features/support/hooks.rb:100 0.002
Tags: @product @slow @not_release_blocker
2:7.060
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.032
Given I have started Tails from DVD without network and logged in 10.991
And I prepare Tails for memory erasure tests 0.779
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 58.899
Then I find very few patterns in the guest's memory 10.496 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.052
Then patterns cover at least 99% of the test FS size in the guest's memory 2.981 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.201
Then I find very few patterns in the guest's memory after 3 seconds 14.310 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# read cache
When I mount the USB drive again 7.038
And I read the content of the test FS 0.589
Then patterns cover at least 99% of the test FS size in the guest's memory 8.714 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.635
Then I find very few patterns in the guest's memory after 3 seconds 6.368 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 2.230
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:1.765
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 13.020
And I prepare Tails for memory erasure tests 1.037
When I fill a 128 MiB file with a known pattern on the root filesystem 21.567
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.261
Then patterns cover at least 128 MiB in the guest's memory 2.897 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.119
Then I find very few patterns in the guest's memory after 20 seconds 20.861 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:330 5.627
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
10:15.735
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.013
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 9:29.248
And I prepare Tails for memory erasure tests 0.446
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.231
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.791 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:330 4.171
After features/support/hooks.rb:100 0.092